Elastic knife-edge bearing for measuring appliances



NOV. 20, 1934. K v ug- 1,981,105

ELASTIC KNIFE EDGE BEARING EOR MEASURING APPLIANCES Original Filed Dec. 30, 1929 Patented Nov. 20, 1934 I UNITED STATES PATENT OFFICE ELASTIC KNIFE-EDGE BEARING FOR MEASURING APPLIANCES Karl Victor Hieber, Graz, Austria Original application December 30, 1929, Serial No. 417,526, now Patent No. 1,885,721. Divided and this application January 20, 1931, Serial No. 510,043. In Austria April 15, 1929 2 Claims. (01. 308-2) This invention relates to a device for the elasof intermediate elastic members, constituting the tie mounting of the bearing knife-edges of measleaf springs i, i. uring appliances, and is a division of my copend- Each of the said arms is approximately trianing application filed December 30, 1929, Serial gular in form, with rounded lower corners and Number 417,526. It is already known to form the upwardly converging side edges and each has a bearings for the movable parts of weighing masubstantially semi-circular opening, the seatings chines and other measuring appliances of two or beds being placed at the lower sides of said C o ed Ca y arms which are pivota y susopenings, and said arms are parallel and spaced p d a one end a acted upon at their f apart laterally. The arms are inclined in oppo- 10 ends y elastic tensile means ftend to site directions with their middle lines or axes contain these a in the normal posltlonverging downwardly in intersecting planes so that The present invention Provides an elasitic knifetheir oppositely inclined bearing seatings present edge bearmg, employing crossed 9afrrylng arms an edge in the crossing point of said seatings to which is simpler and more sensitive than h receive the knife edge of a bearing element, the forms of construction already known for this place on which the knife rests being midway be:

purpose The Said carrying arms are attached tween the ends of the bearin seatin sas indicated at one end to the fixed stand or framework of in Figure 1 of the drawing. g g

the device concerned, the beds for the knife- I claim:

edges are fitted to the free ends of these arms, 1' A knife edge bearing comprising a pp and the latter areeither themselves so constructmg member and a pair of arms arranged in pained as to be elastlc or are attached. to the 3 allel planes and having their middle lines or axes or framgwork by means of mtermedlate in intersecting planes and each flexibly connected elastic connecting members, for example leaf at the upper end to the supporting member indesp pendently of the other and thereby suspended 25 An o p of one f of t W 1s therefrom and free at the lower end to permit s w In the accompanying drawmg m W 10 independent movement of the said arms in their 1 blaming devlce i accordance planes in opposite directions, said arms having mvgntwn elevatwn' oppositely inclined bearing seatings presenting Fig. 2 is a s1de elevation of the same device. an edge in the crossing point of Said seatings to Refe uhe draw/mg fi fi l' .2 3 receive the knife edge of a bearing element. conslsts of the framework j W 10 1S provl e 2. A knife edge bearing as claimed in claim 1,

' To these win s there g g flgfigg ifgff f arms h, Wkgnch are in which the means whereby the arms are flexifitted with the seatings or beds 9, g, and which my Ponnected to and FUSPQndBQ from the are adapted to cross and to be elastic or flexible Porting member Constltllte sprlngs at a ed 170 35 in a lateral direction. In the constructional exsaid supporting member and to the upper ends of ample shown in the drawing the carrying arms sald arms. I h, h are attached to the framework by means KARL VICTOR. HIEBER. 

